I’ve been thinking about the social graph (though not by that name) for a little while now. It seems I am not the only one. My interest in this area comes from my dislike of walled gardens such as Facebook (which I have still been able to avoid joining despite the peer pressure).
Here are a few interesting links.
Thoughts on the Social Graph
Social Network Fatigue and the Missing Web 2.0 Address Book
Opening up the Social Network Graph
Using Open Standards to Free the Social Graph